Proved to effectively control infections and to protect cattle from reinfection with Cooperia oncophora and Ostertagia ostertagi for 28 days; and Cooperia punctata for 35 days after treatment. Approved for treating and controlling a wide range of roundworm and arthropod parasites. Safe for use on any age and class of beef cattle, including pregnant beef cows; for use only in dairy calves 18 months or younger. Control of harmful species of gastrointestinal roundworms, lungworms, eyeworms, grubs (see precautions), sucking lice and mange mites.